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EP 4 817 297 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 25713955.0 (22) Date of filing: 26.03.2025

(51) International Patent Classification (IPC):  H04R 3/12(2006.01) H04L 65/65(2022.01) H04R 5/04(2006.01) G06F 3/16(2006.01) H04W 4/80(2018.01) (52) Cooperative Patent Classification (CPC): H04R 3/12; H04R 5/04; H04R 2420/07; G06F 3/165; H04W 4/80; H04L 65/65 (86) International application number: PCT/EP2025/058267 (87) International publication number: WO 2025/202286 (02.10.2025 Gazette 2025/40)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 27.03.2024 EP 24166845 (71) Applicant: Sonova Consumer Hearing GmbH 30659 Hannover (DE)	(72) Inventors: ZIMBALL, Johannes 31188 Holle (DE) VOIGT, Maximilian 30449 Hannover (DE) STEIN, Elmar 30163 Hannover (DE) RIOS GRAJALES, Juan Diego 30173 Hannover (DE) (74) Representative: Liedtke & Partner Patentanwälte  Gerhart-Hauptmann-Straße 10/11 99096 Erfurt 99096 Erfurt (DE)